These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

Sept 15 (Reuters) - Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the ...

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is ...

(Reuters) - Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the evolution of ...

Museum fossils in England reveal 200-million-year-old coelacanths, fish that swam alongside the first dinosaurs ...

Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the evolution of the bodies ...

The first known cases of accidental choking have been discovered, dating back 150 million years, when some opportunistic fish got more than they bargained for picking off algae and slime from dead ...

A big catch of fish fossils in southern China includes the oldest teeth ever found, researchers say. The findings may help scientists learn how our aquatic ancestors got their bite. The finds offer ...

Paleontologists unearthed fish teeth that are 14 million years older than any other teeth found from any species – and the discovery could rewrite our understanding of early evolution. Four studies ...

The fish were found with hot glass in their gills, likely from flaming debris. The discovery of a fossilized fish may offer a glimpse into the day an asteroid hit the earth and wiped dinosaurs off the ...

A rare fossil from Thailand identifies a 25-foot spinosaurid that lived along river systems 125 million years ago.